AirHint found the following cheapest return flights from Helsinki (HEL) to Dublin (DUB) in December 2025 (see full year).

Return flights

01 Dec - 10 Dec	Ryanair
01 Dec - 08 Dec	Ryanair
01 Dec - 04 Dec	Ryanair
03 Dec - 05 Dec	Ryanair
02 Dec - 03 Dec	Ryanair
05 Dec - 08 Dec	Ryanair
12 Dec - 15 Dec	Ryanair
11 Dec - 15 Dec	airBaltic
04 Dec - 10 Dec	Norwegian Air Sweden AOC
11 Dec - 16 Dec	airBaltic
15 Dec - 13 Jan	airBaltic
13 Dec - 08 Jan	Ryanair
17 Dec - 12 Jan	Ryanair
17 Dec - 04 Jan	Ryanair
31 Dec - 05 Jan	Ryanair
20 Dec - 04 Jan	KLM
31 Dec - 03 Jan	Ryanair
21 Dec - 04 Jan	KLM
17 Dec - 12 Jan	Finnair	direct
28 Dec - 04 Jan	Finnair

Also check the deals for one-way flights from Helsinki to Dublin in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Helsinki to Dublin in December from $160

Return flights